| /* |
| * Copyright 2000-2013 JetBrains s.r.o. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package com.intellij.ide.util; |
| |
| import com.intellij.openapi.components.PersistentStateComponent; |
| import com.intellij.openapi.util.text.StringUtil; |
| import org.jdom.Element; |
| import org.jetbrains.annotations.NonNls; |
| import org.jetbrains.annotations.NotNull; |
| |
| import java.util.LinkedHashMap; |
| import java.util.Map; |
| |
| public class PropertiesComponentImpl extends PropertiesComponent implements PersistentStateComponent<Element> { |
| private final Map<String, String> myMap = new LinkedHashMap<String, String>(); |
| @NonNls private static final String ELEMENT_PROPERTY = "property"; |
| @NonNls private static final String ATTRIBUTE_NAME = "name"; |
| @NonNls private static final String ATTRIBUTE_VALUE = "value"; |
| |
| @NotNull |
| public String getComponentName() { |
| return "PropertiesComponent"; |
| } |
| |
| PropertiesComponentImpl() { |
| } |
| |
| @Override |
| public Element getState() { |
| Element parentNode = new Element("state"); |
| for (final String key : myMap.keySet()) { |
| String value = myMap.get(key); |
| if (value != null) { |
| Element element = new Element(ELEMENT_PROPERTY); |
| element.setAttribute(ATTRIBUTE_NAME, key); |
| element.setAttribute(ATTRIBUTE_VALUE, value); |
| parentNode.addContent(element); |
| } |
| } |
| return parentNode; |
| } |
| |
| @Override |
| public void loadState(final Element parentNode) { |
| myMap.clear(); |
| for (Element e : parentNode.getChildren(ELEMENT_PROPERTY)) { |
| String name = e.getAttributeValue(ATTRIBUTE_NAME); |
| if (name != null) { |
| myMap.put(name, e.getAttributeValue(ATTRIBUTE_VALUE)); |
| } |
| } |
| } |
| |
| @Override |
| public String getValue(String name) { |
| return myMap.get(name); |
| } |
| |
| @Override |
| public void setValue(String name, String value) { |
| myMap.put(name, value); |
| } |
| |
| @Override |
| public void setValue(@NotNull String name, @NotNull String value, @NotNull String defaultValue) { |
| if (value.equals(defaultValue)) { |
| myMap.remove(name); |
| } |
| else { |
| myMap.put(name, value); |
| } |
| } |
| |
| @Override |
| public void unsetValue(String name) { |
| myMap.remove(name); |
| } |
| |
| @Override |
| public boolean isValueSet(String name) { |
| return myMap.containsKey(name); |
| } |
| |
| @Override |
| public String[] getValues(@NonNls String name) { |
| final String value = getValue(name); |
| return value != null ? value.split("\n") : null; |
| } |
| |
| @Override |
| public void setValues(@NonNls String name, String[] values) { |
| if (values == null) { |
| setValue(name, null); |
| } |
| else { |
| setValue(name, StringUtil.join(values, "\n")); |
| } |
| } |
| } |